![]() Tool Steels are extremely hard and are quite often used to form other metal products. It is also a common material used to make knives. Specific tool applications are dies (stamping or extrusion), cutting, mold making, or impact applications like hammers (personal or industrial). I've never turned tool steel before and it's a good excuse to get some after-hours experience on the lathe at work. Tool steel is a term used for a variety of high-hardness, abrasion resistant steels. The tooling that I already have with the 100 year old punch isn't exactly polished down. For the surface finish after heat treating, I'm thinking of either leaving it as-is or sandblasting depending on the oxidation. ![]() I'll buy the finish diameter stock (7/16" punch shank), and heat treat in a blacksmithing forge (still air cooled). W1 drill rod has a high carbon content, allowing it to be used. W1 drill rod is the most popular, versatile, and least expensive grade of drill rod. It is commonly used to make drill bits, taps, reamers, punches, dowel pins, and shafts. Any comments or tips on machining it for a beginner? Should I buy carbide tooling or will HSS work for the annealed steel? The design is simple, taper diameter down to desiered punch size and add a center punch point for the punch. Drill rod is round tool steel stock ground to a tight tolerance diameter, usually 0.0005 in (0.013 mm). I've been meaning to purchase some S7 to make punches and dies for an old bench punch.
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